Home / 228,546.80-343,014.60-102,381.20

Finding the Fourth Proportional to 228,546.80, 343,014.60 and 102,381.20

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Solution

The fourth proportional to 228,546.80, 343,014.60 and 102,381.20 is: 153,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,546.80 : 343,014.60 = 102,381.20 : x
  2. Step 2: Convert to fraction form
    228,546.80/343,014.60 = 102,381.20/x
  3. Step 3: Cross multiply
    228,546.80x = 343,014.60 × 102,381.20
  4. Step 4: Simplify right side
    228,546.80x = 35,118,246,365.52
  5. Step 5: Solve for x
    x = 35,118,246,365.52/228,546.80
  6. Step 6: Final answer
    x = 153,658.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.